Eta-etaprime mixing in eta-mesic nuclei

Details Eta-etaprime mixing in eta-mesic nuclei Eta-etaprime mixing in eta-mesic nuclei

2010-07-05

arxiv.org/abs/1007.0629v1

Acta Phys.Polon.B41:2239-2248,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, invited talk at the International Symposium on Mesic Nuclei, Cracow, Poland 16 June 2010

Scientific paper

Eta bound states in nuclei are sensitive to the flavour-singlet component in the eta. The bigger the singlet component, the more attraction and the greater the binding. eta-etaprime mixing plays an important role in understanding the value of the eta-nucleon scattering length a_{\eta N}. Working with the Quark Meson Coupling model, we find a factor of two enhancement from mixing relative to the prediction with a pure octet eta.

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